Full Text Journal Articles by
Author Oliverio Welsh

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Climate, soil type, and geographic distribution of actinomycetoma cases in Northeast Mexico: A cross-sectional study.

Jesus Alberto Cardenas-de la Garza, Oliverio Welsh, Adrian Cuellar-Barboza, Karina Paola Suarez-Sanchez, Luis Gerardo Cruz-Gomez, Estephania De la Cruz-Valadez, Jorge Ocampo-Candiani, Lucio Vera-Cabrera,

BACKGROUND:Mycetoma is a chronic, granulomatous infection of subcutaneous tissue, that may involve deep structures and bone. It can be caused by bacteria (actinomycetoma) or fungi (eumycetoma). There is an epidemiological association between mycetoma and the environment, including rainfall, temperature and humidity but there are still many knowledge gaps in the ... Read more >>

PLoS ONE (PloS one)
[2020, 15(5):e0232556]

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Local secretion of stress hormones increases in alopecia areata lesions after treatment with UVA-1 phototherapy.

Adrian Cuellar-Barboza, Jesus Alberto Cardenas-de la Garza, Luis Gerardo Cruz-Gómez, Oralia Barboza-Quintana, Juan Pablo Flores-Gutiérrez, Minerva Gómez-Flores, Oliverio Welsh, Jorge Ocampo-Candiani, Maira E Herz-Ruelas,

Alopecia areata (AA) is an autoimmune disease of the hair follicle. Keratinocytes of the hair follicle generate an immunosuppressive environment by the local secretion of hormones of the hypothalamic-pituitary-adrenal axis of the skin (skin HPA analog). Our objective was to measure the local production of corticotropin-releasing hormone (CRH), adrenocorticotropic hormone ... Read more >>

Exp. Dermatol. (Experimental dermatology)
[2020, 29(3):259-264]

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Clinical characteristics and treatment of actinomycetoma in northeast Mexico: A case series.

Jesús Alberto Cárdenas-de la Garza, Oliverio Welsh, Adrián Cuéllar-Barboza, Karina Paola Suarez-Sánchez, Estephania De la Cruz-Valadez, Luis Gerardo Cruz-Gómez, Anabel Gallardo-Rocha, Jorge Ocampo-Candiani, Lucio Vera-Cabrera,

BACKGROUND:Mycetoma is a neglected tropical disease characterized by nodules, scars, abscesses, and fistulae that drain serous or purulent material containing the etiological agent. Mycetoma may be caused by true fungi (eumycetoma) or filamentous aerobic bacteria (actinomycetoma). Mycetoma is more frequent in the so-called mycetoma belt (latitude 15° south and 30° ... Read more >>

PLoS Negl Trop Dis (PLoS neglected tropical diseases)
[2020, 14(2):e0008123]

Cited: 1 time

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Expression of melanocortin 1 receptor before and after narrowband UVB phototherapy treatment in patients with stable vitiligo: A prospective study.

Jorge Ocampo-Garza, Mauricio Salinas-Santander, Oliverio Welsh, Maira Herz-Ruelas, Jorge Ocampo-Candiani,

Vitiligo is a disease characterized by skin depigmentation caused by the selective destruction of melanocytes. The melanocortin system participates as a regulator of melanogenesis and skin pigmentation. Narrowband UVB phototherapy (nb-UVB) is currently considered to be the gold standard and first choice treatment method for vitiligo vulgaris. The aim of ... Read more >>

Exp Ther Med (Experimental and therapeutic medicine)
[2020, 19(3):1649-1654]

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Lower than expected mortality with dexamethasone in toxic epidermal necrolysis: 30-year experience of a Northern Mexico reference hospital.

Minerva Gómez-Flores, Cesar D Villarreal-Villarreal, Oliverio Welsh, Jesus A Cárdenas-de la Garza, Emmanuel Sánchez-Meza, Jesus Áncer-Arellano, Adrian Martinez-Moreno, Jorge Ocampo-Candiani, Maira E Herz-Ruelas,

Int. J. Dermatol. (International journal of dermatology)
[2019, :]

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Clinical spectrum of Lyme disease.

Jesus Alberto Cardenas-de la Garza, Estephania De la Cruz-Valadez, Jorge Ocampo-Candiani, Oliverio Welsh,

Lyme disease (borreliosis) is one of the most common vector-borne diseases worldwide. Its incidence and geographic expansion has been steadily increasing in the last decades. Lyme disease is caused by Borrelia burgdorferi sensu lato, a heterogeneous group of which three genospecies have been systematically associated to Lyme disease: B. burgdorferi ... Read more >>

Eur. J. Clin. Microbiol. Infect. Dis. (European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology)
[2019, 38(2):201-208]

Cited: 8 times

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A Case of Bullous Morphea Resistant to Methotrexate and Phototherapy Successfully Treated With Mycophenolate Mofetil.

Adrian Cuellar-Barboza, Jesus Alberto Cardenas-De La Garza, Cesar Daniel Villarreal-Villarreal, Jorge Ocampo-Candiani, Minerva Gomez-Flores, Oliverio Welsh, Maira E Herz-Ruelas,

Bullous morphea is rare clinical variant of localized scleroderma characterized by the formation of bullae on sclerotic morphea plaques. Severe disease may be highly disabling and greatly impair quality of life. Current treatment strategies are based on anecdotal reports of clinical experience and include topical corticosteroids, methotrexate and phototherapy. Herein, ... Read more >>

J Drugs Dermatol (Journal of drugs in dermatology : JDD)
[2018, 17(10):1123-1125]

Cited: 0 times

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Disseminated Trichosporon asahii infection in a patient with acute myeloid leukemia.

Jesus Alberto Cardenas-de la Garza, Jesus Ancer-Arellano, Adrian Cuellar-Barboza, Barbara Saenz-Ibarra, Sonia Sofia Ocampo-Garza, Oralia Barboza-Quintana, Anabel Gallardo-Rocha, Lucio Vera-Cabrera, Jorge Ocampo-Candiani, Oliverio Welsh,

J. Dermatol. (The Journal of dermatology)
[2019, 46(4):e128-e129]

Cited: 0 times

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Efficacy of phototherapy in pityriasis lichenoides chronica of dark skin: A retrospective study from a tertiary center in Mexico.

Adrian Cuellar-Barboza, Jesus Alberto Cardenas-De La Garza, Cesar Daniel Villarreal-Villarreal, Jorge Ocampo-Candiani, Oliverio Welsh, Maira E Herz-Ruelas, Minerva Gómez-Flores,

Dermatol Ther (Dermatologic therapy)
[2018, 31(6):e12734]

Cited: 0 times

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Polymorphic Erythematous Macules and Plaques With Dysesthesia.

Cesar Daniel Villarreal-Villarreal, Jorge Ocampo-Candiani, Oliverio Welsh,

JAMA Dermatol (JAMA dermatology)
[2018, 154(9):1076-1077]

Cited: 0 times

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Response to newer therapeutic modalities for actinomycetoma by Nocardia species.

Oliverio Welsh,

Int. J. Dermatol. (International journal of dermatology)
[2018, 57(9):e65-e66]

Cited: 0 times

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Skeletal Muscle Diffuse Large B-Cell Lymphoma in the Gluteal Region

Nereyda Gonzalez-Benavides, Jesus Alberto Cardenas-de la Garza, Candelario Rodriguez-Vivian, Jorge Ocampo-Candiani, Oliverio Welsh,

Turk J Haematol (Turkish journal of haematology : official journal of Turkish Society of Haematology)
[2018, 35(4):310-311]

Cited: 0 times

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Disseminated actinomycetoma due to Nocardia wallacei.

Oliverio Welsh, Mario C Salinas-Carmona, Barbara A Brown-Elliott, Terry Smith, Jesus A Cardenas-De La Garza, Richard J Wallace,

BACKGROUND:Actinomycetoma caused by Nocardia usually responds well to antibiotics. Emerging species of Nocardia, such as N. wallacei, can be a therapeutic challenge. AIMS:Confirm the therapeutic effectivity of linezolid in multidrug resistant Nocardia Wallacei actinomycetoma. MATERIALS AND METHODS:We evaluated the medical management of an 18-year-old man with multidrug resistant actinomycetoma of ... Read more >>

Int. J. Dermatol. (International journal of dermatology)
[2018, 57(5):580-582]

Cited: 0 times

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Actinomycetoma: a therapeutic challenge.

Sylvia Aide Martínez-Cabriales, Jorge Ocampo-Candiani, Esperanza Welsh, Ana Sofía Ayala-Cortés, Minerva Gómez-Flores, Oliverio Welsh,

Postgrad Med J (Postgraduate medical journal)
[2018, 94(1108):126]

Cited: 0 times

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Botryomycosis and coccidiomycosis of the foot.

Jorge Ocampo-Garza, Esperanza Welsh-Hernández, Javier Ramos-Jiménez, Juan Carlos Robles-Mendez, Sylvia Aide Martínez-Cabriales, Lucio Vera-Cabrera, Minerva Gómez-Flores, Jorge Ocampo-Candiani, Oliverio Welsh,

Australas. J. Dermatol. (The Australasian journal of dermatology)
[2017, 58(3):239-240]

Cited: 0 times

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Cutaneous mucormycosis.

Ana Daniela Castrejón-Pérez, Esperanza C Welsh, Ivett Miranda, Jorge Ocampo-Candiani, Oliverio Welsh,

Cutaneous mucormycosis is an emerging fungal infection caused by opportunistic fungi of the phylum Glomeromycota. It is frequent in poorly controlled diabetic patients and individuals with immunosuppression. It is usually acquired by direct inoculation through trauma. The clinical presentation is nonspecific, but an indurated plaque that rapidly evolves to necrosis ... Read more >>

An Bras Dermatol (Anais brasileiros de dermatologia)
[2017, 92(3):304-311]

Cited: 10 times

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Escalating dosimetry of UVA-1 in the treatment of alopecia areata.

Maira E Herz-Ruelas, Minerva Gomez-Flores, Ivett Miranda-Maldonado, Esperanza Welsh, Jorge Ocampo-Candiani, Oliverio Welsh,

Phototherapy can be an option in unresponsive alopecia areata (AA); however, variable results have been reported with its use. We could not find literature of treatment with UVA-1 in AA. A study was designed to evaluate progressive dosimetry to determine the initial dose and its increments.Patients with unresponsive AA were ... Read more >>

Int. J. Dermatol. (International journal of dermatology)
[2017, 56(6):653-659]

Cited: 1 time

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Childhood Bullous Pemphigoid: A Treatment Challenge.

Ana Sofía Ayala-Cortés, Sylvia Aide Martínez-Cabriales, Oliverio Welsh, Gloria Rosales-Solis, Osvaldo Vázquez-Martínez, Jorge Ocampo-Candiani,

J. Pediatr. (The Journal of pediatrics)
[2016, 179:271-271.e1]

Cited: 0 times

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Genomic Changes Associated with the Loss of Nocardia brasiliensis Virulence in Mice after 200 In Vitro Passages.

Carolina Gonzalez-Carrillo, Cassandra Millan-Sauceda, Hector Gerardo Lozano-Garza, Rocio Ortiz-Lopez, Ramiro Elizondo-Gonzalez, Oliverio Welsh, Jorge Ocampo-Candiani, Lucio Vera-Cabrera,

Nocardia species, particularly Nocardia brasiliensis, are etiologic agents of mycetoma, a chronic subcutaneous infection. Until now, little has been known about the pathogenic mechanisms involved in nocardial infection. Traditionally, subculture in rich media has been a simple way to induce attenuation. In this work, we report the changes in virulence ... Read more >>

Infect. Immun. (Infection and immunity)
[2016, 84(9):2595-2606]

Cited: 2 times

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Phototherapy for alopecia areata.

Oliverio Welsh,

Phototherapy is a useful therapeutic method for various skin diseases due to its modulatory effect on the cutaneous immune system. Alopecia areata is a dermatosis characterized by partial or complete hair loss. Collapse of the immune privilege of the hair follicle, which induces noncicatricial alopecia, is an important factor in ... Read more >>

Clin. Dermatol. (Clinics in Dermatology)
[2016, 34(5):628-632]

Cited: 1 time

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Mycetoma: a unique neglected tropical disease.

Eduard E Zijlstra, Wendy W J van de Sande, Oliverio Welsh, El Sheikh Mahgoub, Michael Goodfellow, Ahmed H Fahal,

Mycetoma can be caused by bacteria (actinomycetoma) or fungi (eumycetoma) and typically affects poor communities in remote areas. It is an infection of subcutaneous tissues resulting in mass and sinus formation and a discharge that contains grains. The lesion is usually on the foot but all parts of the body ... Read more >>

Lancet Infect Dis (The Lancet. Infectious Diseases)
[2016, 16(1):100-112]

Cited: 43 times

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Cold subcutaneous abscesses as the first manifestation of disseminated coccidioidomycosis in an immunocompromised host.

Juana Irma Garza-Chapa, Sylvia Aide Martínez-Cabriales, Jorge Ocampo-Garza, Minerva Gómez-Flores, Jorge Ocampo-Candiani, Oliverio Welsh,

Coccidioidomycosis is an endemic fungal infection in the southwestern USA and northern Mexico. It is caused by Coccidioides immitis and C. posadasii. This infection occurs due to the inhalation of airborne arthroconidia, causing a mild pulmonary infection, but most cases are asymptomatic. Disseminated coccidioidomycosis (DC) is a rare entity occurring ... Read more >>

Australas. J. Dermatol. (The Australasian journal of dermatology)
[2016, 57(2):e49-52]

Cited: 0 times

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Human papillomavirus type 2 associated with pyogenic granuloma in patients without clinical evidence of warts.

Osvaldo T Vázquez-Martínez, Anajulia González-Betancourt, María Carmen Barboza-Cerda, Sergio E González-González, Ángel Lugo-Trampe, Oliverio Welsh, Augusto Rojas-Martínez, Herminia G Martínez-Rodríguez, Jorge Ocampo-Candiani, Rocío Ortiz-López,

Pyogenic granuloma is a non-neoplastic lesion that frequently occurs in the skin and mucous membranes of children and pregnant women. The anatomical sites of pyogenic granulomas overlap with those of wart infections caused by the human papillomavirus (HPV).This study assessed the presence of HPV DNA in pyogenic granuloma samples by ... Read more >>

Int. J. Dermatol. (International journal of dermatology)
[2016, 55(7):745-750]

Cited: 1 time

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Ultraviolet A-1 phototherapy as an alternative for resistant alopecia areata.

Maira E Herz-Ruelas, Oliverio Welsh, Minerva Gomez-Flores, Esperanza Welsh, Ivett Miranda-Maldonado, Jorge Ocampo-Candiani,

Int. J. Dermatol. (International journal of dermatology)
[2015, 54(10):e445-7]

Cited: 3 times

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Mycetoma medical therapy.

Oliverio Welsh, Hail Mater Al-Abdely, Mario Cesar Salinas-Carmona, Ahmed Hassan Fahal,

Medical treatment of mycetoma depends on its fungal or bacterial etiology. Clinically, these entities share similar features that can confuse diagnosis, causing a lack of therapeutic response due to inappropriate treatment. This review evaluates the response to available antimicrobial agents in actinomycetoma and the current status of antifungal drugs for ... Read more >>

PLoS Negl Trop Dis (PLoS neglected tropical diseases)
[2014, 8(10):e3218]

Cited: 34 times

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